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platinous

[plat-n-uh s] /ˈplæt n əs/
adjective, Chemistry.
1.
containing bivalent platinum.
Origin of platinous
1835-1845
First recorded in 1835-45; platin(um) + -ous
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for platinous

platinous

/ˈplætɪnəs/
adjective
1.
of or containing platinum, esp in the divalent state
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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